[go: up one dir, main page]

Search a number
-
+
122012271 = 335418353
BaseRepresentation
bin1110100010111…
…00001001101111
322111120212101000
413101130021233
5222213343041
620035051343
73011041623
oct721341157
9274525330
10122012271
1162966697
1234a40b53
131c37cb14
14122c1183
15aaa1bb6
hex745c26f

122012271 has 16 divisors (see below), whose sum is σ = 181114720. Its totient is φ = 81181440.

The previous prime is 122012257. The next prime is 122012279. The reversal of 122012271 is 172210221.

It is a happy number.

It is not a de Polignac number, because 122012271 - 29 = 122011759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122012279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10431 + ... + 18783.

It is an arithmetic number, because the mean of its divisors is an integer number (11319670).

Almost surely, 2122012271 is an apocalyptic number.

122012271 is a deficient number, since it is larger than the sum of its proper divisors (59102449).

122012271 is an equidigital number, since it uses as much as digits as its factorization.

122012271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8903 (or 8897 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 122012271 is about 11045.9164852899. The cubic root of 122012271 is about 495.9841942913.

Adding to 122012271 its reverse (172210221), we get a palindrome (294222492).

The spelling of 122012271 in words is "one hundred twenty-two million, twelve thousand, two hundred seventy-one".

Divisors: 1 3 9 27 541 1623 4869 8353 14607 25059 75177 225531 4518973 13556919 40670757 122012271